How Long? How Soon? How much? HD

"How Long? How Soon? How Much?" A Public Service announcement on climate change. Additional footage/audio provided by: https://www.youtube.com/watch?v=RmBm9gDuyYw https://www.youtube.com/watch?v=dzRvmjBGqp8 https://www.youtube.com/watch?v=iDwRI4LH4_I https://www.youtube.com/watch?v=3zyizEz9XUs https://www.youtube.com/watch?v=Mdqc27I7HGA https://www.youtube.com/watch?v=gzTfuO0fnhA This material is for educational purposes only and was created under fair use, for EPSS 15 at UCLA. It is not created for commercial gain.